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  <div id="layout-content"><div id="function.cubrid-unbuffered-query" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">cubrid_unbuffered_query</h1>
  <p class="verinfo">(PECL CUBRID &gt;= 8.3.0)</p><p class="refpurpose"><span class="refname">cubrid_unbuffered_query</span> &mdash; <span class="dc-title">Perform a query without fetching the results into memory</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.cubrid-unbuffered-query-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>cubrid_unbuffered_query</strong></span>(<span class="methodparam"><span class="type">string</span> <code class="parameter">$query</code></span>, <span class="methodparam"><span class="type">resource</span> <code class="parameter">$conn_identifier</code><span class="initializer"> = ?</span></span>): <span class="type">resource</span></div>

  <p class="para rdfs-comment">
    This function performs a query without waiting for that all query results have been complete. It will return 
    when the results are being generated. 
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.cubrid-unbuffered-query-parameters">
 <h3 class="title">参数</h3>
 <p class="para">
  <dl>
    
     <dt>
<code class="parameter">query</code></dt>

     <dd>
<p class="para">A SQL query.</p></dd>

   
     
      <dt>
<code class="parameter">conn_identifier</code></dt>

      <dd>
<p class="para">The CUBRID connection. If the connection identifier is not specified, the last connection opened by <span class="function"><a href="function.cubrid-connect.html" class="function">cubrid_connect()</a></span> is assumed.</p></dd>

   
  </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.cubrid-unbuffered-query-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   For SELECT, SHOW, DESCRIBE or EXPLAIN statements returns a request identifier resource on success.
  </p>
  <p class="para">
    For other type of SQL statements, UPDATE, DELETE, DROP, etc, returns <strong><code>true</code></strong> on success.
  </p>
   <p class="para">
    <strong><code>false</code></strong> on failure.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.cubrid-unbuffered-query-examples">
  <h3 class="title">范例</h3>
  <div class="example" id="example-1207">
   <p><strong>示例 #1 <span class="function"><strong>cubrid_unbuffered_query()</strong></span> example</strong></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />&nbsp;&nbsp;&nbsp;&nbsp;$link&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">cubrid_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"localhost"</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">30000</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"demodb"</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"dba"</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">""</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;if&nbsp;(!</span><span style="color: #0000BB">$link</span><span style="color: #007700">)<br />&nbsp;&nbsp;&nbsp;&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;die(</span><span style="color: #DD0000">'Could&nbsp;not&nbsp;connect.'</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$query&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #DD0000">"select&nbsp;*&nbsp;from&nbsp;code"</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$result&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">cubrid_unbuffered_query</span><span style="color: #007700">(</span><span style="color: #0000BB">$query</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$link</span><span style="color: #007700">);<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;while&nbsp;(</span><span style="color: #0000BB">$row&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">cubrid_fetch</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">))<br />&nbsp;&nbsp;&nbsp;&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$row</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">cubrid_close_request</span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">cubrid_disconnect</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
   </div>

  </div>
 </div>


 <div class="refsect1 notes" id="refsect1-function.cubrid-unbuffered-query-notes">
  <h3 class="title">注释</h3>
  <blockquote class="note"><p><strong class="note">注意</strong>: 
   <p class="para">
    The benefits of <span class="function"><strong>cubrid_unbuffered_query()</strong></span> come
    at a cost: you cannot use <span class="function"><a href="function.cubrid-num-rows.html" class="function">cubrid_num_rows()</a></span> and
    <span class="function"><a href="function.cubrid-data-seek.html" class="function">cubrid_data_seek()</a></span> on a result set returned from
    <span class="function"><strong>cubrid_unbuffered_query()</strong></span>.
   </p>
  </p></blockquote>
 </div>


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